Rinsho byori. The Japanese journal of clinical pathology最新文献_第5页

[The Present State of Inter-Laboratory Differences in Setting and Practicing Critical Values -Results of a Questionnaire Survey Performed to the Laboratories of Keio University-Associated Hospitals]. [实验室间设置和实践临界值差异的现状-对庆应义塾大学附属医院实验室进行的问卷调查结果]。

Rinsho byori. The Japanese journal of clinical pathology Pub Date : 2017-01-01

Mariko Ito, Shojiro Kano, Terumichi Nakagawa, Haruto Kikuchi, Ayako Shibata, Atsumi Ota, Tomio Hayakawa, Hisayo Ogawa, Akie Tani, Hiroko Takeda, Hiroshi Koyama, Midori Ishibashi, Katsumi Yamalzaki, Mitsuru Murata

{"title":"[The Present State of Inter-Laboratory Differences in Setting and Practicing Critical Values -Results of a Questionnaire Survey Performed to the Laboratories of Keio University-Associated Hospitals].","authors":"Mariko Ito, Shojiro Kano, Terumichi Nakagawa, Haruto Kikuchi, Ayako Shibata, Atsumi Ota, Tomio Hayakawa, Hisayo Ogawa, Akie Tani, Hiroko Takeda, Hiroshi Koyama, Midori Ishibashi, Katsumi Yamalzaki, Mitsuru Murata","doi":"","DOIUrl":"","url":null,"abstract":"Presently we, Keio Endocrine and Metabolite Survey (KEMS) study group conducted a questionnaire sur- vey with respect to panic values in the laboratories belonging to Keio University-associated hospitals. As to the initial setting, most of the laboratories answered to play a leading role in preparing the necessary matters to implementation of panic values and revise them corresponding to physician's request on each occasion. In almost all laboratories, they did not verify whether the notification procedure does work to exert appropriate clinical action. The numbers of critical values answered by the 18 laboratories distributed widely in the test items (8-39) and their critical limits (10-68). As to the critical limits, the lower limits of serum K and blood glucose converged among the laboratories, however, the limits of other test items diverged. The results of the present survey regarding to critical values, although being in small scale, may submit the im- portant issue to be solved in near future. [Short Communication].","PeriodicalId":21457,"journal":{"name":"Rinsho byori. The Japanese journal of clinical pathology","volume":"65 1","pages":"32-36"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36897874","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

[The Free Form of D-Amino Acids As a Novel Bioactive Substance: Physiological Functions and Involvement in Human Pathophysiology]. [游离形式的d -氨基酸作为一种新的生物活性物质:生理功能和参与人体病理生理]。

Rinsho byori. The Japanese journal of clinical pathology Pub Date : 2017-01-01

Masumi Katane, Hiroshi Homma

引用次数: 0

[A Novel Inhibitory Factor of Erythropoietin: Anti-Erythropoietin Receptor Antibody and Its Characteristics]. [一种新的促红细胞生成素抑制因子:抗促红细胞生成素受体抗体及其特性]。

Rinsho byori. The Japanese journal of clinical pathology Pub Date : 2017-01-01

Akinori Hara, Takashi Wada

{"title":"[A Novel Inhibitory Factor of Erythropoietin: Anti-Erythropoietin Receptor Antibody and Its Characteristics].","authors":"Akinori Hara, Takashi Wada","doi":"","DOIUrl":"","url":null,"abstract":"During the exploration of factors that interfere with the erythropoietin (EPO) -EPO receptor (EPOR) interaction in anemia, a novel inhibitory factor of EPO, anti-EPOR antibody, has been detected in anemic pa- tients with immune-mediated diseases. The study also demonstrated that the antibodies were observed in some patients with chronic kidney disease (CKD). EPOR is known to be expressed not only in bone mar- row erythroblasts, but also in other organs including the kidneys. In addition, previous studies showed that EPO may contribute to protecting the kidneys from injury by binding EPOR on renal resident cells as well as through the correction of anemia. Based on this background, we recently examined the clinical significance of anti-EPOR antibodies in patients with CKD. With regard to patients with lupus nephritis, who showed the highest antibody levels among the patients examined, the antibodies were associated with overall disease activity and cell infiltration in the injured kidney, and they were inversely related to the preserved renal function. Here, we discuss the discovery of anti-EPOR antibodies in patients with anemia and CKD, and the possibil- ity of their use as an additional biomarker for the deterioration of the renal function. [Review].","PeriodicalId":21457,"journal":{"name":"Rinsho byori. The Japanese journal of clinical pathology","volume":"65 1","pages":"100-105"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36954631","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

[FLT3 Mutations in Acute Myeloid Leukemia]. [FLT3突变在急性髓性白血病中的应用]。

Rinsho byori. The Japanese journal of clinical pathology Pub Date : 2017-01-01

Tsukimi Shoji, Yuto Kida, Kouhei Yamashita, Satoshi Ichiyama

{"title":"[FLT3 Mutations in Acute Myeloid Leukemia].","authors":"Tsukimi Shoji, Yuto Kida, Kouhei Yamashita, Satoshi Ichiyama","doi":"","DOIUrl":"","url":null,"abstract":"FMS-like tyrosine kinase 3 (FLT3), a class III tyrosine kinase receptor, plays an important role in the pro- liferation, survival, and differentiation of hematopoietic stem/progenitor cells. Approximately 30% of pa- tients with cytogenetically normal acute myeloid leukemia (CN-AML) harbor FLT3 mutations. The most frequent FLT3 mutations are internal tandem duplications (ITDs) in the juxtamembrane domain. FLT3-ITD mutations cause ligand-independent dimerization of FLT3 and the constitutive activation of its downstream signaling pathways, such as PI3K/AKT, A4APK/ERK, and STAT5, leading to dysregulated cellular prolifera- tion. The relapse risk of CN-AML patients with FLT3-ITD is higher and the overall survival (OS) of such patients is shorter than those of patients with wild-type FLT3. Recently genome-wide studies with next-generation sequencing have suggested that mutational combinations of genes related to signal transduction, transcription, splicing, cancer suppressors, and epigenetics contribute to the pathogenesis of AML. These mutations including FLT3-ITD may be prognostic factors facilitating the risk stratification for CN-AML. The point mutations D835/I836 in the tyrosine kinase domain (TKD) are detected in 5-7% of AML patients. The clinical relevance of these FLT3-TKD mutations remains unclear. FLT3-TKD mutations are detected even in patients treated with FLT3 inhibitors as secondary mutations, suggesting that the mutations are as- sociated with the resistance. Therefore, the detection of these mutations might provide us with the opportunity to consider appropriate treatment for patients. The molecular abnormalities in AML patients give us insights into the pathology of AML and clinically significant information required for the diagnosis, prognosis, and treatment decisions. [Review].","PeriodicalId":21457,"journal":{"name":"Rinsho byori. The Japanese journal of clinical pathology","volume":"65 1","pages":"44-51"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36897876","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

[JAK2, CALR]. [JAK2，CALR]

Rinsho byori. The Japanese journal of clinical pathology Pub Date : 2017-01-01

Makoto Ikejiri

引用次数: 0

[IgM Antibody against IgG Antibody Binding to Antigen, So-Called Anti-Antibody, Reacts Mainly with F (ab')₂ Fragment Possessing Antibody Activity]. [针对IgG抗体结合抗原的IgM抗体，所谓抗抗体，主要与具有抗体活性的F (ab’)2片段反应]。

Rinsho byori. The Japanese journal of clinical pathology Pub Date : 2017-01-01

Tatsuya Matsuura, Aya Imamura, Toshiyuki Ota

{"title":"[IgM Antibody against IgG Antibody Binding to Antigen, So-Called Anti-Antibody, Reacts Mainly with F (ab')₂ Fragment Possessing Antibody Activity].","authors":"Tatsuya Matsuura, Aya Imamura, Toshiyuki Ota","doi":"","DOIUrl":"","url":null,"abstract":"Objective: To develop enzyme-linked immunosorbent assay (ELISA) for measurement of IgM antibody (anti-antibody) against human IgG antibody that is binding to antigen, to distinguish anti-antibody from other antiglobulins, e.g. rheumatoid factor (RF), and to search their localization of epitope on IgG molecule.Methods: We chose purified human IgG anti-dsDNA antibody from a patient with systemic lupus erythematosus as IgG antibody and calf thymus dsDNA as antigen. IgG F (ab')₂ fragment was obtained by digestion of the IgG with pepsin. Those IgG and IgG F (ab') 2 with anti-dsDNA antibody were reacted with pre-coated dsDNA and formed immune complex on ELISA plate. On the other hand we prepared ELISA plate on which those IgG and IgG F (ab') 2 were coated directly for measurement of IgM RF and IgM antihinge antibody. Twenty-three sera from patients with rheumatoid arthritis were tested.Results: Correct IgM anti-antibodies were obtained after subtraction of absorbance of IgM anti-dsDNA anti- bodies. Remarkable correlation between IgM anti-antibodies obtained by using whole IgG and those by using IgG F(ab')₂(n=23, r²=0.914, p=1.11X10-12). There were correlations neither between IgM antiantibodies and IgM RF(n=23, r²=0.001, p=0.889) nor between IgM antiantibodies and IgM antihinge antibodies (n=23, r²=0.063, p=0.249).Conclusions: IgM molecule with anti-antibody specificity seems to be different from IgM RF and IgM antihinge antibody. Moreover, epitope recognized by IgM anti-antibody seems to localize on IgG F (ab') 2 but not on hinge region. [Original].","PeriodicalId":21457,"journal":{"name":"Rinsho byori. The Japanese journal of clinical pathology","volume":"65 1","pages":"13-18"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36898910","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

[Chairmen's Introductory Remarks]. [主席的开场白]。

Rinsho byori. The Japanese journal of clinical pathology Pub Date : 2017-01-01

Yoshio Sakai, Makoto Morimoto

引用次数: 0

[Evaluation of a Newly Developed Reagent "Lias Auto P-FDP" on Coapresta 2000 and Clinico-Pathological Analysis of Discrepant Samples in FDP Value]. 新开发试剂Lias Auto P-FDP对Coapresta 2000的评价及FDP值差异样品的临床病理分析

Rinsho byori. The Japanese journal of clinical pathology Pub Date : 2017-01-01

Maki Kondo, Takako Tamura, Hitomi Miura, Asako Sato

{"title":"[Evaluation of a Newly Developed Reagent \"Lias Auto P-FDP\" on Coapresta 2000 and Clinico-Pathological Analysis of Discrepant Samples in FDP Value].","authors":"Maki Kondo, Takako Tamura, Hitomi Miura, Asako Sato","doi":"","DOIUrl":"","url":null,"abstract":"Patients with disseminated intravascular coagulation (DIC) exhibit increased levels of fibrin/fibrinogen degradation products (FDP), and FDP levels are carefully monitored as a marker of fibrinolysis during the diagnosis of DIC and other fibrinolysis-related conditions. Although FDP levels can be measured using automatic analyzers, it is reported that measured FDP values differ depending on the reagent used. Recently, a newly developed reagent for measuring FDP levels (Lias Auto P-FDP) was launched. In this study, we used Lias Auto P-FDP in combination with the Coapresta 2000 automatic analyzer and evaluated its reactivity. We confirmed the reproducibility of the measurements obtained with the Lias Auto P-FDP reagent when the manufacturer's instructions were followed and that the Lias Auto P-FDP reagent can be used with the Coapresta 2000. In the reactivity test, the Lias Auto P-FDP reagent exhibited stronger reactivity with low molecular weight FDP than the reagent we currently use (BL2 P-FDP). Moreover, the samples that exhibited non-specific reactions to the BL2 P-FDP reagent did not display similar reactions to the Lias auto P-FDP reagent. In the clinico-pathological analysis of divergent value between Lias Auto P-FDP and BL2 P-FDP, seven cases were highly discrepant value of FDP. Interestingly, we found the description of pleural fluid and/or ascites in 85.7% cases. In conclusion, we confirmed that the Lias Auto P-FDP reagent can be used in combination with the Coapresta 2000. In addition, the reactivity of FDP varied depending on the reagent used. It is important to understand the characteristics of each FDP reagent and which automatic analyzers they can be used with. [Original].","PeriodicalId":21457,"journal":{"name":"Rinsho byori. The Japanese journal of clinical pathology","volume":"65 1","pages":"19-25"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36897872","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

[Validation of Whole Slide Imaging for Primary Diagnosis of Gastrointestinal Pathology]. 【全玻片成像对胃肠道病理初步诊断的验证】。

Rinsho byori. The Japanese journal of clinical pathology Pub Date : 2017-01-01

Akihiko Yoshizawa, Mitsuru Tanaka

{"title":"[Validation of Whole Slide Imaging for Primary Diagnosis of Gastrointestinal Pathology].","authors":"Akihiko Yoshizawa, Mitsuru Tanaka","doi":"","DOIUrl":"","url":null,"abstract":"Whole-slide imaging (WSI) technology enables the primary diagnosis of histopathological slides. This study aimed to determine the diagnostic concordance between pathological interpretations made using WSI and those made using light microscopy (LM). For this study, 5,704 consecutive surgical pathological cases from a community hospital were included. The specimens were digitized at x40 magnification for biopsy and endoscopic resection specimens or at x20 magnification for other specimens and evaluated by 11 pathologists for diagnosis using WSI. Subsequently, the specimens were signed out using LM by 3 pathologists after 2 weeks. Diagnoses using WSI were then compared with the diagnoses made by using LM. Most (96.8%) of the 5,704 specimens were obtained from the gastrointestinal tract (2,441 biopsy specimens from the esophagogastroduodenum [42.7%], 1,678 endoscopic resection specimens from the colorectum [29.4%], 1,349 biopsy specimens from the colorectum [23.6%], 133 resected specimens from the gallbladder [2.3%], 56 endoscopic resection specimens from the stomach [0.9%], 30 resected specimens from the ap- pendix [0.5%], 14 skin biopsy specimens [0.2%], and 3 other specimens [0.1%]). The overall concordance between the diagnoses made using WSI and those made using LM was 95.1%. The major and minor dis- crepancy rates for WSI were 0.1% and 4.8%, respectively. None of the discordant cases had any clinical or prognostic implications. In conclusion, this study revealed that WSI can be used for primary diagnosis of gastrointestinal biopsy and endoscopic resection specimens. To the best of our knowledge, this is one of the studies that clearly proved that diagnosis using WSI is equivalent to diagnosis using LM. [Original].","PeriodicalId":21457,"journal":{"name":"Rinsho byori. The Japanese journal of clinical pathology","volume":"65 1","pages":"26-31"},"PeriodicalIF":0.0,"publicationDate":"2017-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"36897873","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}

引用次数: 0

[The Significance of Genetic Testing for Acute Promyelocytic Leukemia]. [急性早幼粒细胞白血病基因检测的意义]。

Rinsho byori. The Japanese journal of clinical pathology Pub Date : 2017-01-01

Yumiko Satoh, Akiko Masuda, Yutaka Yatomi

引用次数: 0